<template>
    <el-card shadow="never" class="border-0">
      <!-- 新增|刷新 -->
      <ListHeader @creact="handleCreate"  @refresh="getData"></ListHeader>
  
      <el-table :data="tableData" stripe style="width: 100%" v-loading="loading">
        <el-table-column prop="title" label="公告标题" />
        <el-table-column prop="create_time" label="发布时间" width="380" />
        <el-table-column label="操作" width="180" align="center">
          <template #default="scope">
            <el-button type="primary" size="small" text @click="handleEdit(scope.row)">修改</el-button>
  
            <el-popconfirm title="是否要删除该公告？" confirmButtonText="确认" cancelButtonText="取消" @confirm="handleDelete(scope.row.id)">
                  <template #reference>
                      <el-button text type="primary" size="small">删除</el-button>
                  </template>
              </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
  
      <div class="flex items-center justify-center mt-5">
          <el-pagination background layout="prev, pager ,next" :total="total" :current-page="currentPage" :page-size="limit" @current-change="getData"/>
      </div>
  
      <FormDrawer ref="formDrawerRef" :title="drawerTitle" @submit="handleSubmit">
        <el-form :model="form" ref="formRef" :rules="rules" label-width="80px" :inline="false">
          <el-form-item label="公告标题" prop="title">
            <el-input v-model="form.title" placeholder="公告标题"></el-input>
          </el-form-item>
          <el-form-item label="公告内容" prop="content">
            <el-input v-model="form.content" placeholder="公告内容" type="textarea" :rows="5"></el-input>
          </el-form-item>
        </el-form>
      </FormDrawer>
  
    </el-card>
  </template>
  <script setup>
  import { ref,reactive,computed } from "vue"
  import FormDrawer from "~/components/FormDrawer.vue";
  import ListHeader from "../../components/ListHeader.vue";
  import {
    getNoticeList,
    createNotice,
    updateNotice,
    deleteNotice
  } from "~/api/notice"
  import {
    toast
  } from "~/composables/util"
  
  const tableData = ref([])
  const loading = ref(false)
  
  // 分页
  const currentPage = ref(1)
  const total = ref(0)
  const limit = ref(10)
  
  // 获取数据
  function getData(p = null){
      if(typeof p == "number"){
          currentPage.value = p
      }
  
      loading.value = true
      getNoticeList(currentPage.value)
      .then(res=>{
          tableData.value = res.list
          total.value = res.totalCount
      })
      .finally(()=>{
          loading.value = false
      })
  }
  
  getData()
  
  // 删除
  const handleDelete = (id)=>{
    loading.value = true
    deleteNotice(id).then(res=>{
      toast("删除成功")
      getData()
    })
    .finally(()=>{
      loading.value = false
    })
  }
  
  // 表单部分
  const formDrawerRef = ref(null)
  const formRef = ref(null)
  const form = reactive({
    title:"",
    content:""
  })
  const rules = {
    title:[{
        required: true,
        message: '公告标题不能为空',
        trigger: 'blur'
    }],
    content:[{
        required: true,
        message: '公告内容不能为空',
        trigger: 'blur'
    }]
  }
  const editId = ref(0)
  const drawerTitle = computed(()=>editId.value ? "修改" : "新增")
  
  const handleSubmit = ()=>{
    formRef.value.validate((valid)=>{
      if(!valid) return 
  
      formDrawerRef.value.showLoading()
  
      const fun = editId.value ? updateNotice(editId.value,form) : createNotice(form)
  
      fun.then(res=>{
        toast( drawerTitle.value + "成功")
        // 修改刷新当前页，新增刷新第一页
        getData(editId.value ? false : 1)
        formDrawerRef.value.close()
      })
      .finally(()=>{
        formDrawerRef.value.hideLoading()
      })
  
    })
  }
  
  // 重置表单
  function resetForm(row = false){
    if(formRef.value) formRef.value.clearValidate()
    if(row){
      for(const key in form){
        form[key] = row[key]
      }
    }
  }
  
  // 新增
  const handleCreate = ()=>{
    editId.value = 0
    resetForm({
      title:"",
      content:""
    })
    formDrawerRef.value.open()
  }
  
  // 编辑
  const handleEdit = (row)=>{
    editId.value = row.id
    resetForm(row)
    formDrawerRef.value.open()
  }
  
  </script>